The Pyle PWMA860I Wireless and Portable PA Speaker Sound System is perfect for any social gathering or crowd control situation. Gain convenient access to powerful audio output, the freedom of wireless mobility and move around with ease. Built-in 30-pin iPod dock allows you to connect your compatible iPod or iPhone and play your favorite music -- while keeping your device charged. This impressive 500 watt system powers the 8'' woofer and 3'' compression tweeter speaker to project your voice and audio with gusto, and a ported enclosure design adds extra punch to the bass. It comes with a VHF wireless microphone that operates at a distance of up to 100 feet away. The amp has a telescoping handle and castor wheels for easy portability. It runs on a rechargeable battery, so you don't need to keep buying new batteries - simply plug in and charge with the included AC adaptor. Four multi-color LEDs notify you when the power is on, when the unit is charging, when the battery is low, and when the wireless mic is operating. Adjust the sound to your liking with the treble and bass controls. This amp even includes an echo adjustment knob for adding voice effects when using a connected microphone. This system also features plenty of external inputs - four 1/4'' jack inputs total for two wired microphones, CD or MP3 player, guitar, or any additional external audio device. Take control of the sound, and the crowd, with the Pyle PWMA860i Wireless and Portable PA Speaker Sound System.